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How to repair cars
Contributed by: Simpson
  • 1. What is the first step in diagnosing a car problem?
A) Gathering information from the driver
B) Running a diagnostic scan
C) Checking the engine oil level
D) Replacing the spark plugs
  • 2. What tool is used to measure tire pressure?
A) Tire pressure gauge
B) Multimeter
C) Torque wrench
D) Socket wrench
  • 3. What does 'CEL' stand for in car diagnostics?
A) Central Engine Location
B) Check Engine Light
C) Cylinder Exhaust Leak
D) Car Electrical Load
  • 4. What is the purpose of motor oil?
A) Lubricate engine components
B) Cool the engine
C) Provide fuel to the engine
D) Clean the exterior of the engine
  • 5. What part of the car is responsible for starting the engine?
A) Fuel pump
B) Alternator
C) Distributor
D) Starter motor
  • 6. What does a car battery primarily provide?
A) Pneumatic power
B) Mechanical power
C) Hydraulic power
D) Electrical power
  • 7. Which component is responsible for filtering air entering the engine?
A) Air filter
B) Oil filter
C) Cabin air filter
D) Fuel filter
  • 8. What is the function of the radiator?
A) Filter the engine coolant
B) Cool the engine coolant
C) Store the engine coolant
D) Heat the engine oil
  • 9. What tool is used to tighten nuts and bolts to a specific torque?
A) Pliers
B) Torque wrench
C) Adjustable wrench
D) Socket wrench
  • 10. What is the purpose of brake fluid?
A) Cool the brake rotors
B) Clean the brake calipers
C) Transmit pressure to the brakes
D) Lubricate the brake pads
  • 11. What component is responsible for generating electricity while the engine is running?
A) Starter motor
B) Voltage regulator
C) Alternator
D) Distributor
  • 12. What is the purpose of shock absorbers?
A) Control suspension movement
B) Transmit power to the wheels
C) Cool the engine
D) Provide power steering
  • 13. What part connects the engine to the transmission?
A) Clutch (in manual transmissions)
B) Axle
C) Wheel bearing
D) Differential
  • 14. What is the function of the catalytic converter?
A) Improve fuel economy
B) Filter engine oil
C) Reduce harmful emissions
D) Increase engine power
  • 15. What is the purpose of the spark plugs?
A) Filter the air intake
B) Ignite the air-fuel mixture
C) Lubricate the engine
D) Cool the engine
  • 16. What is the first thing to disconnect when working on the electrical system?
A) Positive battery terminal
B) Starter motor wiring
C) Alternator wiring
D) Negative battery terminal
  • 17. What does ABS stand for?
A) Anti-lock Braking System
B) Auxiliary Braking System
C) Advanced Braking System
D) Automatic Braking System
  • 18. What is the purpose of a fuse?
A) Increase electrical voltage
B) Regulate engine temperature
C) Store electrical energy
D) Protect electrical circuits
  • 19. What is a common symptom of a failing fuel pump?
A) Brake failure
B) Headlights dimming
C) Difficulty starting the engine
D) Overheating engine
  • 20. What does PSI stand for when measuring pressure?
A) Pounds per square inch
B) Pressure standard index
C) Points per square inch
D) Pascals per square inch
  • 21. What is the function of the thermostat?
A) Control fuel injection
B) Adjust air-fuel mixture
C) Regulate engine temperature
D) Monitor oil pressure
  • 22. What is used to remove rust from metal parts?
A) Spark plug socket
B) Grease gun
C) Oil filter wrench
D) Wire brush
  • 23. What is the most common cause of overheating?
A) Faulty spark plugs
B) Low coolant level
C) High oil pressure
D) Dirty air filter
  • 24. What is the function of the differential?
A) Generate electricity
B) Control steering
C) Allow wheels to rotate at different speeds
D) Absorb shocks
  • 25. What safety equipment should always be worn when working on cars?
A) Safety glasses
B) Shorts
C) No gloves
D) Sandals
  • 26. What is the purpose of wheel alignment?
A) Increase engine power
B) Ensure proper tire wear and handling
C) Reduce wind noise
D) Improve fuel economy
  • 27. What is a common symptom of worn brake pads?
A) Squealing or grinding noises
B) Difficulty starting the engine
C) Dimming headlights
D) Increased engine temperature
  • 28. What is the purpose of power steering fluid?
A) Cool the brakes
B) Clean the windshield
C) Assist in steering the vehicle
D) Lubricate the engine
  • 29. What should you do if you spill oil while working on a car?
A) Wash it down the drain
B) Leave it to evaporate
C) Cover it with dirt
D) Clean it up immediately with absorbent material
  • 30. What tool is commonly used to lift a vehicle for repairs?
A) Hammer
B) Jack
C) Pliers
D) Screwdriver
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